Solve for x
x=2
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9x-21+11x=19
Add 11x to both sides.
20x-21=19
Combine 9x and 11x to get 20x.
20x=19+21
Add 21 to both sides.
20x=40
Add 19 and 21 to get 40.
x=\frac{40}{20}
Divide both sides by 20.
x=2
Divide 40 by 20 to get 2.
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